body{
    text-align: center;
    background-image: url('download (8).jpg');
    background-size: cover;
    font-family: 'Boogaloo', cursive;
}

h1{
    color: white;
    font-weight: normal;
    font-family: 'Passion One', cursive;
    font-size: 64px;
}

h2{
    color: white;
    font-weight: normal;
    font-family: 'Passion One', cursive;
    font-size: 64px;
}

.container{
    width:500px;
    margin: auto;
}

.scene{
  width:200px;
  height:200px;
  margin:20px;
  display:inline-block;
  border-radius:10px;
  background-size:contain;
  border:2px solid black;
}

a{
  text-decoration:none;
  font-size:28px;
  color:black;
  background-color:white;
  padding:5px;
  border:2px solid black;
}

a:hover{
  background-color:midnightblue;
  color:white;
  text-decoration:underline;   
}

#addition{
  background-image:url('addition.png');
}

#subtraction{
  background-image:url('subtract.png');
}

#multiplication{
  background-image:url('time.png');
}

#division{
  background-image:url('divide.png');
}